<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Document</title>
</head>
<body>
    <div class="header">
        <div class="test-type">
            <div class="qr-code">
                <div>二维码图片</div>
                <div>手机二维码扫码</div>
            </div>
            <h4>java初级</h4>
        </div>
        <div class="test-dcument"></div>
    </div>
    
</body>
</html>